Granted Patent
Utility
US 6,038,889 · App. 09/291,747
Cooling system for a glassware machine
Inventors:
Terry E. Hartman, Herbert C. Kroh, David E. Crots
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Apr 14, 1999
Inventors
Terry E. Hartman
Herbert C. Kroh
David E. Crots
Assignee (at issue)
LIBBEY GLASS INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.